.div {
  width: 200px;
  width: 1200px;
  background-color: green;
}

.div:after {
  content: "";
  display: table;
  clear: both;
}

:export {
  menuText: #bfcbd9;
  menuActiveText: #409EFF;
  subMenuActiveText: #f4f4f5;
  menuBg: #304156;
  menuHover: #263445;
  subMenuBg: #1f2d3d;
  subMenuHover: #001528;
  sideBarWidth: 210px;
}
